html,body{
    width: 100%;
    height: 100%;
}

.background{
    width: 100%;
    height: 100%;
    background-image: url(../image/login_background.jpg);
    background-size: cover;
    text-align: center
}

.logo{
    width: 360px;
    height: 105px;
    left: 50%;
    margin-left: -180px;
    top: 6%;
    background-image: url(../image/logoblue.png);
    background-size: cover;
    position: absolute;
}

.login_frame{
    width: 420px;
    height: 560px;
    top: 50%;
    left: 50%;
    margin-top: -280px;
    margin-left: -210px;
    background-color:rgba(255, 255, 255, 0.75);
    border-radius: 50px;
    position: absolute;
    padding-top: 50px;
    padding-bottom: 50px;
}

.margin{
    margin-top: 15px;
    margin-bottom: 15px;
}

.br{
    margin-top: 5px;
    margin-bottom: 5px;
}

.loginbutton{
    width: 100%;
}